forked from OSchip/llvm-project
28 lines
829 B
C++
28 lines
829 B
C++
// RUN: %clangxx_asan -O0 %s -Fe%t
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// RUN: not %run %t 2>&1 | FileCheck %s
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#include <stdio.h>
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#include <string.h>
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int main() {
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char str[] = "Hello";
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if (5 != strlen(str))
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return 1;
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printf("Initial test OK\n");
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fflush(0);
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// CHECK: Initial test OK
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str[5] = '!'; // Losing '\0' at the end.
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int len = strlen(str);
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// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// FIXME: Should be READ of size 1, see issue 155.
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// CHECK: READ of size {{[0-9]+}} at [[ADDR]] thread T0
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// CHECK: strlen
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// CHECK-NEXT: main {{.*}}intercept_strlen.cc:[[@LINE-5]]
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// CHECK: Address [[ADDR]] is located in stack of thread T0 at offset {{.*}} in frame
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// CHECK-NEXT: main {{.*}}intercept_strlen.cc
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// CHECK: 'str' <== Memory access at offset {{.*}} overflows this variable
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return len < 6;
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}
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